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@ARTICLE{Klobes:255536,
      author       = {Klobes, B. and Herlitschke, M. and Rushchanskii, Konstantin
                      and Wille, H.-C. and Lummen, T. T. A. and van Loosdrecht, P.
                      H. M. and Nugroho, A. A. and Hermann, Raphael},
      title        = {{A}nisotropic lattice dynamics and intermediate-phase
                      magnetism in delafossite {C}u{F}e{O} 2},
      journal      = {Physical review / B},
      volume       = {92},
      number       = {1},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-05697},
      pages        = {014304},
      year         = {2015},
      abstract     = {Hyperfine interactions and Fe-specific lattice dynamics in
                      CuFeO2 were investigated by nuclear resonance scattering
                      methods and compared to ab initio lattice dynamics
                      calculations. Using nuclear forward scattering the collinear
                      spin structure at temperatures below about 11 K could be
                      confirmed, whereas the nuclear forward scattering results in
                      the intermediate temperature range between about 11 K and 14
                      K are incompatible with the assumption of a sinusoidal
                      distribution of spins parallel to the c axis of CuFeO2. The
                      critical behavior of the average hyperfine field at the
                      phase transition at about 14 K further supports a
                      three-dimensional model for the magnetism in this compound.
                      Moreover, using nuclear inelastic scattering by the 57Fe
                      Mössbauer resonance, Fe-specific lattice dynamics are found
                      to be strongly anisotropic with stiffer bonds in the ab
                      plane of the crystal. The powder averaged, Fe partial
                      density of phonon states can be well modeled using ab initio
                      calculations and low-energy phonons are found to deviate
                      from classical Debye-like behavior, indicating spin-phonon
                      coupling in this compound. Besides, the theoretical phonon
                      spectrum exhibits typical characteristics for
                      delafossite-type material.},
      cin          = {JCNS-2 / JARA-FIT / PGI-4 / IAS-1 / PGI-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)PGI-4-20110106 / I:(DE-Juel1)IAS-1-20090406 /
                      I:(DE-Juel1)PGI-1-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-H253)P-P01-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000358253900003},
      doi          = {10.1103/PhysRevB.92.014304},
      url          = {https://juser.fz-juelich.de/record/255536},
}